Senior Fullstack Engineer

Kiscore; Berlin; Hybrid; EUR 75.000 - 110.000; Vollzeit

Zusammenfassung

KI Score in Berlin is seeking a Senior Fullstack Engineer to build the product our customers open every week: from the Rails API to the Next.js dashboard where they follow our KI Score. You will design data models, implement fast APIs, and own features from first sketch to release while shaping our engineering practices with the team.

German or English fluency is expected. The role combines hands-on coding with architectural decisions in a fast-growing, remote-friendly environment.

Qualifikationen

• Several years of experience as a fullstack engineer.
• Proficient with TypeScript and React and with Ruby or willingness to learn it.
• Very good German or English.

Aufgaben

• Build features across the Rails API and the Next.js dashboard
• Design data models and APIs that stay fast as measurements grow
• Own features from the first sketch to the release
• Shape our engineering practices together with the team

Kenntnisse

TypeScript

React

Ruby

Tools

Next.js

Rails API

Jobbeschreibung

More and more people ask ChatGPT, Perplexity, and Gemini before they buy: that's where it's decided which brand leads. KI Score measures every week whether a brand comes up in those answers, in which position and next to which competitors.

As a Senior Fullstack Engineer you build the product our customers open every week: from the API to the dashboard where they follow their KI Score.

What you'll do

• Build features across the Rails API and the Next.js dashboard
• Design data models and APIs that stay fast as measurements grow
• Own features from the first sketch to the release
• Shape our engineering practices together with the team

Who you are

• Several years of experience as a fullstack engineer
• Confident with TypeScript and React, and with Ruby or a willingness to learn it
• You care about clean, maintainable code and good UX
• Very good German or English

Location

Berlin. We work remotely across our locations and meet for team days.